Pulse Laser Holographic Interferometry
In the expectation that other speakers at this symposium will have thoroughly discussed the physical information that refractive measurements provide in the study of gas dynamics, the emphasis in the present contribution is entirely on the holographic techniques by which refractivity can be measured. The interpretation of holographically produced interference fringe patterns is, generally, equivalent to that of the fringe patterns produced by a conventional interferometer, although some exceptions are noted later. The primary justification for these techniques is the greater experimental simplicity and/or flexibility thereby achieved over older methods.
KeywordsFringe Pattern Reference Beam Photographic Plate Ruby Laser Holographic Interferometry
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